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CVE record · CVE-2023-20269

Authentication bypass in Cisco Adaptive Security Appliance (ASA) Software and others

CVSS 5.0 MediumCriticalIn CISA KEV · ransomwareEPSS 0.27 · 98th percentile

Critical, because:

  • In CISA’s KEV catalogue since 13 Sept 2023: it is known to be exploited.

How we decide what’s critical

Published by the CVE Program (CNA: cisco) at 6 Sept 2023, 17:09 UTC. agentprime has not analysed this yet, so whether it affects any app is not known. This CVE names a vendor and product rather than a package, so the lockfile check doesn’t match it.

Affected products, as the CNA wrote them
VendorProductVersions
Cisco Cisco Adaptive Security Appliance (ASA) Software
  • affected 9.8.1
  • affected 9.8.1.5
  • affected 9.8.1.7
  • affected 9.8.2
  • affected 9.8.2.8
  • affected 9.8.2.14
  • affected 9.8.2.15
  • affected 9.8.2.17
  • affected 9.8.2.20
  • affected 9.8.2.24
  • affected 9.8.2.26
  • affected 9.8.2.28
  • and 158 more
Cisco Cisco Firepower Threat Defense Software
  • affected 6.2.3
  • affected 6.2.3.1
  • affected 6.2.3.2
  • affected 6.2.3.3
  • affected 6.2.3.4
  • affected 6.2.3.5
  • affected 6.2.3.6
  • affected 6.2.3.7
  • affected 6.2.3.8
  • affected 6.2.3.10
  • affected 6.2.3.11
  • affected 6.2.3.9
  • and 64 more
Identifiers
CVE-2023-20269
CNA
cisco
Weakness (CWE)
CWE-288
Tags
Published
6 Sept 2023
Updated
6 Aug 2026

Not analysed yet

We haven’t published our own analysis of this CVE. If a person reviews it, this page will say what’s affected and what has to be true for it to matter.

Severity and exploitation

ScoreRatingCVSSVectorSource
5.0 Medium 3.1 CVSS:3.1/AV:N/AC:L/PR:L/UI:N/S:C/C:N/I:L/A:N CNA (cisco)
  • CISA KEV Listed since 13 Sept 2023: known to be exploited. CISA reports use in ransomware campaigns.
  • EPSS 0.27, the 98th percentile, on 5 Nov 2026: FIRST’s estimate of the chance of exploitation in the next 30 days.

Timeline

This record came from the full history of the CVE Program, published 6 Sept 2023. New records show when each source confirmed them.

Sources

References from the CNA

Facts on this page come from the CVE List as the CNA published them, with CVSS from the sources named above, CISA KEV and FIRST EPSS. Vendors, products and versions are shown as the CNA wrote them. We don’t reproduce the CVE’s description.